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EP2121237B1 - Machine-outil - Google Patents

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Publication number
EP2121237B1
EP2121237B1 EP08706808A EP08706808A EP2121237B1 EP 2121237 B1 EP2121237 B1 EP 2121237B1 EP 08706808 A EP08706808 A EP 08706808A EP 08706808 A EP08706808 A EP 08706808A EP 2121237 B1 EP2121237 B1 EP 2121237B1
Authority
EP
European Patent Office
Prior art keywords
machine tool
frame
tool according
spindle
machine
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Not-in-force
Application number
EP08706808A
Other languages
German (de)
English (en)
Other versions
EP2121237A1 (fr
Inventor
Georg SCHWARZWÄLDER
Peter Buczolits
Markus Stuchetz
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mauser Werke Oberndorf Maschinenbau GmbH
Original Assignee
Mauser Werke Oberndorf Maschinenbau GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mauser Werke Oberndorf Maschinenbau GmbH filed Critical Mauser Werke Oberndorf Maschinenbau GmbH
Publication of EP2121237A1 publication Critical patent/EP2121237A1/fr
Application granted granted Critical
Publication of EP2121237B1 publication Critical patent/EP2121237B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
    • B23Q11/12—Arrangements for cooling or lubricating parts of the machine
    • B23Q11/126—Arrangements for cooling or lubricating parts of the machine for cooling only
    • B23Q11/128—Arrangements for cooling or lubricating parts of the machine for cooling only for cooling frame parts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
    • B23Q1/01—Frames, beds, pillars or like members; Arrangement of ways
    • B23Q1/015—Frames, beds, pillars
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q37/00—Metal-working machines, or constructional combinations thereof, built-up from units designed so that at least some of the units can form parts of different machines or combinations; Units therefor in so far as the feature of interchangeability is important
    • B23Q37/005—Modular base frames
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q39/00—Metal-working machines incorporating a plurality of sub-assemblies, each capable of performing a metal-working operation
    • B23Q39/02—Metal-working machines incorporating a plurality of sub-assemblies, each capable of performing a metal-working operation the sub-assemblies being capable of being brought to act at a single operating station
    • B23Q39/021—Metal-working machines incorporating a plurality of sub-assemblies, each capable of performing a metal-working operation the sub-assemblies being capable of being brought to act at a single operating station with a plurality of toolheads per workholder, whereby the toolhead is a main spindle, a multispindle, a revolver or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q39/00—Metal-working machines incorporating a plurality of sub-assemblies, each capable of performing a metal-working operation
    • B23Q39/02—Metal-working machines incorporating a plurality of sub-assemblies, each capable of performing a metal-working operation the sub-assemblies being capable of being brought to act at a single operating station
    • B23Q39/021—Metal-working machines incorporating a plurality of sub-assemblies, each capable of performing a metal-working operation the sub-assemblies being capable of being brought to act at a single operating station with a plurality of toolheads per workholder, whereby the toolhead is a main spindle, a multispindle, a revolver or the like
    • B23Q39/022—Metal-working machines incorporating a plurality of sub-assemblies, each capable of performing a metal-working operation the sub-assemblies being capable of being brought to act at a single operating station with a plurality of toolheads per workholder, whereby the toolhead is a main spindle, a multispindle, a revolver or the like with same working direction of toolheads on same workholder
    • B23Q39/024—Metal-working machines incorporating a plurality of sub-assemblies, each capable of performing a metal-working operation the sub-assemblies being capable of being brought to act at a single operating station with a plurality of toolheads per workholder, whereby the toolhead is a main spindle, a multispindle, a revolver or the like with same working direction of toolheads on same workholder consecutive working of toolheads
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23C—MILLING
    • B23C2215/00—Details of workpieces
    • B23C2215/24—Components of internal combustion engines
    • B23C2215/245—Connecting rods
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q39/00—Metal-working machines incorporating a plurality of sub-assemblies, each capable of performing a metal-working operation
    • B23Q2039/002—Machines with twin spindles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q39/00—Metal-working machines incorporating a plurality of sub-assemblies, each capable of performing a metal-working operation
    • B23Q2039/006—Machines with multi-spindles

Definitions

  • the invention relates to a machine tool according to the preamble of claim 1.
  • Such machine tools are for example from the DE 10 2004 050 035 A1 and the EP 1 642 673 A1 known.
  • a plurality of spindle heads are mounted on a frame-shaped stand, wherein a movable in the Z direction sleeve is movably mounted on an XY carriage system to align the workpiece for machining with respect to one of the spindle heads.
  • the workpiece can be rotated about the Z-axis of the quill, the spindle heads are arranged laterally or above the Z-axis and aligned with respect to the X-axis and to the Y-axis.
  • a disadvantage of this solution is that a machining of the workpiece in the Z direction is not possible, so that either a re-clamping of the workpiece is required or the machining must be performed with another machine tool.
  • the approximately rectangular frame is not stiff enough, in particular when machining in the Z direction and high machining power.
  • the invention has for its object to provide an executed according to the inverse concept machine tool, in which a processing in the X, Y and Z directions with high cutting performance is possible.
  • the machine tool has a plurality of tool spindle heads mounted on a machine frame and a workpiece carrier which is movable with respect to the tool spindle heads.
  • the machine frame carrying the tool spindle heads is designed as a closed frame with respect to the flow of force, through which at least two are approximately vertical or parallel tool receiving or functional compartments are formed, wherein the frame is formed as a space grid.
  • the frame is not essentially two-dimensional as in the prior art described above, but embodied as a three-dimensional frame or truss structure, wherein receiving compartments for the tool spindle heads or functional compartments are provided, of which lie according to a development of at least one of the workpiece carrier can, so that the recorded therein tool spindle heads are aligned in the Z direction.
  • the compartments can each accommodate, for example, one or more multi-spindle heads or allow access to the working space, for example, to supply or remove workpieces or to record measuring systems.
  • Such a construction is characterized by a high rigidity in the X, Y and Z directions, with workpiece machining in all three axial directions being possible at high machining rates.
  • a tool receiving tray is designed laterally, opposite and above the Z-axis, so that a flexible workpiece machining is possible.
  • the frame of the machine tool can be made particularly stiff when it is designed as an approximately cubic space grid, with frame elements forming the edge areas of the cubic frame grid.
  • the coolant guide is simplified when the coolant flows through the frame elements.
  • the frame elements are designed as hollow profiles with cooling channels extending therein.
  • the structure of the coolant circuit is further simplified when the spindle cooling circuit is connected to the frame members.
  • the workpiece carrier is designed with a sleeve movable in the Z direction, which in turn is guided on an XY carriage system.
  • This quill can be designed with a C-axis, so that the workpiece carrier is pivotable about an axis parallel to the Z-axis.
  • the sleeve is preferably guided four times in an X-carriage.
  • the rigidity and precision of the machining can be further improved if the drives for adjustment in the X and Y direction are designed as double drives.
  • At least one tool spindle head can be pivotally mounted, so that, for example, the machining of oval holes is made possible.
  • At least one tool spindle head can be designed as a multi-spindle head.
  • the tool spindle heads are replaceably fastened to the compartments.
  • the adjustment of the tool spindle heads is particularly precise if they are adjustable via two wedge tuning plates with respective double wedge arrangement within the respective grid.
  • the change of the tool spindle heads is particularly simple if the machine tool is designed with a removal aid, in which a replaceable fork attachable to the spindle head along a frame-fixed guide out of the frame or into it can be performed.
  • a workpiece feeding device which has a plurality of receptacles for the workpiece carrier to be supplied workpieces and a plurality of receptacles forsecuresehmende from the workpiece carrier workpieces, the respective recordings can be brought by pivoting the Werk Swisszutax Nurrel, the respective recordings can be brought by pivoting the Maschinen SwisszuTHER Nurrel, the respective recordings can be brought by pivoting the Maschinen SwisszuTHER Nurrel,
  • This workpiece feed device is of particularly simple construction, when the receptacles are arranged on mutually offset side surfaces of a support body, which is pivotable about an axis parallel to the X axis A-axis.
  • This supporting body is preferably movable along a guide through one of the functional compartments into the working space or out of the working space.
  • FIG. 1 shows a three-dimensional representation of an inverse concept running machine tool 1, for example, for connecting rod machining (small, large eye drill, side milling, screw hole machining, etc.) can be used.
  • the machine tool 1 has a machine frame 2, in which a plurality of tool spindle heads 4 and a workpiece carrier 6 are mounted.
  • the workpiece carrier 6 is movable along an XY guide and in the Z direction, in order to align the workpiece or workpieces with respect to a tool spindle head which is intended for the respective production process.
  • On the workpiece carrier 6, a plurality of workpieces can be clamped simultaneously, so that by means of a multi-spindle head simultaneous machining of the workpieces is possible.
  • the machine frame 2 of the machine tool 1, which is designed as a stand construction, is essentially formed by a frame 8, which is designed in a kind of three-dimensional framework construction and forms approximately a tetragonal or rhombic structure.
  • the construction of this extremely rigid frame 8 opens up particularly well FIG. 2 , Accordingly, the frame 8 consists essentially of a front part 10 and a rear part 12, which are interconnected by four side struts, of which only the side struts 14, 16, 18 in the illustrations according to FIG FIGS. 1 and 2 are visible.
  • the width of the rear part 12 is selected slightly larger than that of the front part 10, correspondingly the side struts 14, 16, 18 widen conically from the front part 10 away to the rear rear part 12. In the direction away from the front part 10 are at the rear part 12 in the vertical direction (Y Direction supporting brackets 20, 22 are formed on which - as will be explained in more detail below - drives and guides for the workpiece carrier 6 can be arranged.
  • each Malawi-side tool receptacle 24 and the rear receptacle 32 and the two lateral tool receiving compartments 26 and 28 are opposite to each other.
  • the comparatively small tool receiving compartment 30 is arranged above the working space 34 bounded by the front part 10, by the rear part 12 and by the side struts.
  • one or more tool spindle heads 4 or other tool carrier can be arranged in the tool receiving compartments 24, 26, 28, 30 depending on the manufacturing task, the axes then in the X, Y or Z direction (see FIG. 2 ) are arranged. That is, the tool spindle heads mounted on the lateral tool receiving pockets 26, 28 are aligned in the X direction, the tool spindle heads 4 arranged on the front tool receiving tray 24 in the Z direction, and the tool spindle heads 4 disposed on the upper tool receiving tray 30 in the Y direction.
  • the tool spindle heads can be arranged as desired in the X, Y or Z direction, so that a very flexible machining is possible.
  • the frame 8 of the stand can be designed as a cast or welded construction, wherein coolant channels are provided in the interior, which allow direct cooling of the frame 8. Furthermore, not shown connections are provided on the frame 8, via which a coolant connection to the tool spindle heads 4 and, if necessary. Also to the workpiece carrier is possible, so that a common coolant circuit for the machine frame, the workpiece carrier 6 and the tool spindle heads 4 may be provided.
  • connections 36 for the extraction of vapors from the working space 34 are provided on the frame 8. Due to the spatial structure of the frame 8 of the stand of the machine tool 1, the working space 34 is accessible from four sides. Furthermore, the structure according to the invention allows a free chip fall down and a simple chip removal via a chip conveyor, which extends through one of the receiving compartments 24, 26, 28 therethrough. Also, the workpiece change is possible in virtually any way through said receiving compartments 24, 26, 28, 30 through.
  • FIG. 3 shows a view from the rear of this back part 12.
  • the workpiece carrier 6 has a quill 38 which is guided in the Z-direction adjustable in an X-carriage.
  • the adjustment of the sleeve 38 in the Z direction by means of a drive 42, which may be designed as a ball screw or linear drive.
  • a later reference FIG. 11 described workpiece carrier 156 may be mounted, on which one or more workpieces are stretched.
  • this workpiece carrier 156 can also be a C-axis (parallel to the Z-axis) pivotably mounted in the sleeve 38. Details of the quill construction are explained below.
  • the X-carriage 40 is in turn via a 4-fold X-guide 46, 47 (see also Fig. 5 ) guided on a Y-slide 48, along which it is adjustable via a double drive with two parallel and synchronously acting X-drives 50, 52, which can also be designed as a ball screw and their drive motors on the overhead or underlying side surface of the Y-carriage 48 are attached.
  • the adjustment of the Y-carriage 48 in the vertical direction takes place along two Y-guides 54, which are attached to the support bracket 20 and 22, respectively. Also for the Y-slide 48, a double drive with two arranged in the region of each guide 54 Y-drives 56, 58 is used, which are also designed as ball screws.
  • the Y-carriage 48 is further supported by two support cylinders 60, 62 whose piston rods engage the Y-carriage and whose cylinders are supported on the support brackets 20, 22.
  • the two Y-drives 56, 58 are also attached to the support brackets 20, 22.
  • FIG. 5 is a section through the quill 38 in a side view from the right in the illustration according to FIG. 3 shown.
  • FIG. 6 shows the basic structure of the quill 38 itself. Accordingly, the sleeve 38 has an approximately cuboid, hollow-drilled housing, at its upper and lower surfaces according to FIG. 6 four guide rails 64, 66, 68, 70 are arranged, each with two fixed to the X-carriage support guides 72, 74; 76, 78; 80, 82 and two others, in FIG. 5 visible Dtütz Entryen 88, 90, which are associated with the guide rail 68 support guides cooperate, so that an extremely stiff leadership of the sleeve 38 is ensured in the Z direction.
  • two or more hydraulically actuated clamping carriages 84, 86 via which the quill 68 with respect to the X-carriage 40 can be set, so that the Z-drive 42 is relieved and high cutting performance is possible.
  • the quadruple guide of the X-carriage 40 via the X-guides 46a, 46b; 47a, 47b, which are each attached to the Y-slide 48 and over which the X-carriage is guided along its side facing the working space large area and its opposite rear large area.
  • a plurality of tool spindle heads 4 can be arranged in the tool receiving compartments 24, 26, 28, 30 depending on the manufacturing task, wherein the spindle axes are then aligned correspondingly in the Z-direction, Y-direction or X-direction.
  • the closed power flow in the support of the tool spindle heads 4 and the sleeve 38 results in an extremely compact, rigid machine kinematics, which is far superior to the constructions described above.
  • multi-spindle heads 4a, 4b, 4c are arranged one above the other in the tool holder tray 24, on the in successive operations, for example, a pre-drilling, drilling and rubbing a hole, for example, a connecting rod is possible.
  • Corresponding multi-spindle heads can of course also be arranged in the other tool receiving compartments 26, 28, 30.
  • FIG. 7 shows a view from the working space 34 forth on a multi-spindle head 4a, the spindle housing 92 replaceable on the machine frame or more precisely, on vertical frame struts 94, 96 (see also FIG. 3 ) mounted terminal strips 122 (see Fig. 9 ).
  • four spindles 98a, 98b, 98c, 98d are mounted in the spindle housing 92, which are supported by a common drive 100 (FIG. FIG. 3 ), so that, for example, four connecting rods or other workpieces can be processed simultaneously.
  • a row of holes 102, 104 is respectively arranged on the vertical frame struts 94, 96 or on another suitable area of the machine frame, by which a fastening grid for fixing the spindle housing 92 is created.
  • At the holes of the rows of holes 102, 104 can be clamping elements 106, for example, set clamping screws for mounting the multi-spindle heads.
  • the spindles 98 it is necessary for the spindles 98 to be aligned in the horizontal direction exactly with respect to the workpieces carried by the sleeve 38.
  • the machine frame For adjustment are provided on the machine frame, in the present case on the vertical frame struts 94, 96 or the clamping bars 122, in predetermined pitches, for example, designed as a cylindrical pins stops 108, 110, to which the spindle housing 92 can be placed.
  • the wedge tuning plate 112 is used, which consists in principle of two mutually opposite, along their wedge surfaces abutting wedges 116, 118 which are displaceable relative to each other via a fine threaded pin 120, so that the spindles 98a, 98b, 98c, 98d can be adjusted exactly in the horizontal direction.
  • This adjustment is preferably done outside the machine, so that the spindle housing 92 only needs to be placed on the two stops 108, 110 and fixed to the frame.
  • a removal aid 122 according to the FIGS. 9 and 10 be set.
  • multi-spindle heads 4a, 4b, 4c lying one above the other are inserted into the two lateral tool receiving compartments 26, 28, the spindles of which are thus aligned in the X direction.
  • Such assembly can be advantageous for example in the processing of cylinder heads or the like.
  • FIG. 9 are the adjacent to the working space 34, fixed to the vertical frame strut 94 terminal strips 122 recognizable, on each of which one of the rows of holes 104 is formed.
  • Corresponding clamping strips 122 extend in vertical or in horizontal direction on the side walls of the receiving compartments 24, 26, 28, 30, so that the spindle heads or other tool carrier can be fixed in the manner described above.
  • the in the FIGS. 9 and 10 shown removal aid 124 has two support rails 126, 128, the side of the respective tool receiving compartment, in the present case the side of the tool receiving tray 26 to holes of the frame 8 or more precisely, the vertical frame struts can be set.
  • On the side surfaces of the support rails 126, 128 are each grid holes 130 (see FIG. 10 ), in the support brackets 132 and 134 are used.
  • On each of these projecting away from the frame support 136, 138 is supported, along the support rails 126, 128 is displaceable.
  • Each of the supports 136, 138 carries a horizontal guide 140 and 142, respectively, on which a change fork 144, 146 is guided in the horizontal direction.
  • These interchangeable forks 144, 146 each engage the spindle housing 92 of the multi-spindle head 4a to be replaced.
  • the spindle housing 92 are each formed with exemptions 148, in each case a change fork 144 or 146 similar to the forks of a forklift can dive.
  • the immersion depth of the interchangeable forks 144, 146 is limited in each case by a stop plate 154.
  • the aforementioned supports 136, 138 are supported on the support brackets 132, 134 by means of jacking screws 150, 152, so that by their adjustment the spindle housing 92 to be replaced can be lifted upwards and then moved along the horizontal guides 140, 142 out of the respective tool receiving compartment.
  • this removal aid 124 thus changing the spindle heads or other tool carriers can be substantially simplified, so that the set-up times are minimized.
  • Such a removal aid 124 can be applied to each of the tool receiving compartments 24, 26, 28, 30 in the manner described above.
  • the spindle heads 4 can also be pivotally mounted in the tool receiving compartments 24, 26, 28, 30, so that, for example, the processing of oval recesses, holes is possible.
  • two spaced-apart reference mandrels can be inserted into the multi-spindle head and then a measuring probe can be fastened on the clamping device for the workpieces fastened to the sleeve 38.
  • the parallelism of the spindles can then be checked via this probe and, if necessary, an automatic correction of the X, Y and Z positions of the spindle heads in the machine control can be stored by software. If the Y-axis is tilted, then a correction dimension is ejected via the machine control, which can then be adjusted manually on the multi-spindle head.
  • spindle housing 92 may further be provided for transporting the multi-spindle head balanced holes for eye bolts on which then a transport device acts to replace the multi-spindle head.
  • the Z-feed could also be moved to the tool side so that only one X-Y guide would be required on the workpiece side. However, this solution would not be so stiff due to the cantilevered spindles.
  • FIG. 11 shows a partial view of the back part 12 of in FIG. 2 shown frame 8 through which the receiving compartment 32 for the basis FIG. 6 formed in detail quill 38 is formed. This is along the guide rails 64, 66, as well as 68, 70 (the latter not visible in FIG FIG. 11 ) in the Z direction and over the in FIG. 4 shown XY slide 40, 48 movable in the X and Y directions.
  • these connecting rods 160 are arranged side by side with the big connecting rod eye pointing upwards.
  • the clamping support 158 is designed with a plurality of clamping elements 162 in order to tension the connecting rods 160 in a predetermined relative position.
  • the sleeve 38 can be designed so that the workpiece carrier 156 with the clamping support 158 is pivotable about a C-axis. However, this is only an option and not necessarily required.
  • the spindle heads or other tool carriers arranged in the other compartments 24, 26, 28, 30 are relatively positioned in a corresponding arrangement, so that by moving the sleeve 38 in XY and / or Z direction, the connecting rods 160 are aligned exactly with respect to the tools can be.
  • FIG. 12 shows such an automatically loading and unloading machine tool 1, which is constructed according to the above-described concept, wherein in the illustration according to FIG. 12 the frame 8 is covered and also the corresponding attachments for receiving the machine control, the energy and cooling lubricant supply, to measure etc. can be seen.
  • the side compartment 28 is designed as a functional compartment for supplying and removing the connecting rods 160.
  • the compartment 28 is provided with an access door 164 which is designed with a feed opening 166 through which a workpiece feed device 168 can enter or leave the working space.
  • This Werk Gizu slaughter is also called by the applicant "shuttle".
  • This shuttle 168 has an approximately cuboid support body 170 with an approximately rectangular cross-section, according to which in the illustration FIG. 12 172 for the connecting rod 160 and the workpieces to be machined are arranged approximately in the vertical direction extending side surfaces 172.
  • FIG. 12 is only the front, for Viewer facing side surface to see 172, which are performed accordingly with four receptacles 174 for each connecting rod 160. These are inserted for example via a handling device in the receptacles 174 and then stretched.
  • corresponding receptacles 174 are provided, which are empty in the loading position of the workpiece carrier 156 shown, ie not covered with connecting rods 160.
  • the support body 170 can be pivoted about its A axis (parallel to the X axis) via a pivot drive 176 in order to bring the receptacles 174 on the side surface 172 or on the rear side surface in a transfer position.
  • the workpiece carrier 156 with the support body 170 and the pivot drive 176 can be moved along an X-guide 178, so that the support body 170 can be moved with the receptacles 174 through the feed opening 166 into the working space.
  • the sleeve 38 is again moved to an intermediate position and the pivot drive 176 is actuated to pivot the unprocessed connecting rod 160 in the transfer position.
  • the connecting rods 160 are first arranged with the small connecting rod eye facing up in the receptacles 174, so that after pivoting the large connecting rod eyes are aligned upward.
  • the unprocessed connecting rods 160 are lifted out of the receptacles 174 by a corresponding method of the quill 38 and precisely tensioned on the clamping support 158, wherein the relative position can be checked via a measuring device, not shown, and possibly corrected.
  • the shuttle 168 moves out of the working space, so that the machined connecting rod 160 removed via another handling device and new connecting rods in the in FIG. 12 visible recordings 174 are inserted.
  • the receptacles 174 can also be arranged on the mutually adjacent side surfaces of the support body 170, for example on the side surface 172 and on the upper side surface adjacent thereto.
  • the tool spindle heads 4 are arranged in the Z direction.
  • tool carriers / tool spindle heads can also be arranged in the two lateral compartments 26, 28 or in the upper compartment 30 in order to be able to handle even complex machining tasks.
  • the application of the machine tool is by no means limited to the machining of connecting rods 160, but any workpieces such as cylinder heads can be machined by various technologies such as milling, drilling, smoothing or honing.
  • An important application could be the machining of connecting rods by means of polishing tools, since, for example, the connecting rods could first be drilled through suitable spindle heads and then smoothed by means of a respective smoothing tool.
  • Such a smoothing tool is in the patent application DE 10 2007 017 800 the applicant described.
  • the machine concept according to the invention with the integrated cooling in the frame and the easy discharge of the chips through one of the functional compartments and with the very simple and smooth-surface constructed working space also enables dry machining of the workpieces.
  • a machine tool in inverse construction wherein a plurality of tool spindle heads is arranged in a machine frame and a workpiece carrier along an XYZ guide is movable.
  • the machine frame is designed as a spatial grid construction with a multiplicity of tool receiving compartments or functional compartments.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Machine Tool Units (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
  • Automatic Tool Replacement In Machine Tools (AREA)

Claims (16)

  1. Machine-outil présentant une pluralité de nez de broche d'outil (4) logés sur un bâti de machine et un porte-pièces (6) qui peut être déplacé le long d'au moins un guidage afin d'orienter la pièce par rapport à l'une des broches (4), caractérisée en ce que le bâti de machine présente un cadre (8) fermé en ce qui concerne le flux de force, avec au moins deux compartiments de réception d'outil ou fonctionnels (24, 26, 28, 30) s'étendant à peu près perpendiculairement ou parallèlement l'un à l'autre, sachant que le cadre (8) est réalisé comme une grille.
  2. Machine-outil selon la revendication 1, sachant qu'un compartiment de réception d'outil ou fonctionnel (24, 26, 28, 30) fait face au porte-pièces (6) dans le sens Z.
  3. Machine-outil selon la revendication 1 ou 2, sachant que les compartiments de réception d'outil (24, 26, 28, 30) sont disposés latéralement, en face et au-dessus de l'axe Z.
  4. Machine-outil selon l'une quelconque des revendications précédentes, sachant que des éléments de cadre réalisent les zones de bord de la grille.
  5. Machine-outil selon l'une quelconque des revendications précédentes, sachant que le cadre (8) est refroidi.
  6. Machine-outil selon la revendication 4 ou 5, sachant que le cadre (8) est réalisé avec des canaux de refroidissement intégrés.
  7. Machine-outil selon la revendication 5 ou 6, sachant qu'un circuit de refroidissement de broche est raccordé aux canaux de refroidissement du cadre (8).
  8. Machine-outil selon l'une quelconque des revendications précédentes, sachant que le porte-pièces (6) présente un fourreau (38) pouvant se déplacer dans le sens Z et logé sur un système de chariot X, Y.
  9. Machine-outil selon la revendication 8, sachant que le fourreau (38) est réalisé avec un axe C.
  10. Machine-outil selon l'une quelconque des revendications précédentes, sachant qu'au moins un nez de broche d'outil (4) est logé de manière pivotante.
  11. Machine-outil selon l'une quelconque des revendications précédentes, sachant qu'au moins un nez de broche d'outil (4) est réalisé comme un nez multibroche.
  12. Machine-outil selon l'une quelconque des revendications précédentes, sachant qu'un appui de serrage pour la réception d'une pluralité de pièces est fixé sur le fourreau (38), lesquelles sont orientées par rapport aux broches (4) d'un nez multibroche.
  13. Machine-outil selon l'une quelconque des revendications précédentes, comportant une aide au démontage (124), sur laquelle un nez de broche d'outil peut être fixé et peut être déplacé le long d'un guidage (140, 142) hors du compartiment de réception d'outil (24, 26, 28, 30).
  14. Machine-outil selon l'une quelconque des revendications précédentes, comportant un dispositif d' amenée de pièces (168) qui présente une pluralité de logements (174) pour les pièces (160) devant être amenées au porte-pièces (6) et une pluralité de logements (174) pour des pièces usinées (160) devant être retirées du porte-pièces (6), sachant que les logements (174) peuvent être amenés à la position de transfert respective par le pivotement du dispositif d'amenée de pièces (168).
  15. Machine-outil selon la revendication 14, sachant que les logements (174) sont disposés sur des surfaces latérales décalées l'une contre l'autre d'un corps porteur (170) pouvant être pivoté autour d'un axe A parallèle à l'axe X.
  16. Machine-outil selon la revendication 15, sachant que le corps porteur (170) peut être déplacé au travers d'un compartiment fonctionnel (28, 166).
EP08706808A 2007-01-25 2008-01-25 Machine-outil Not-in-force EP2121237B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102007004643 2007-01-25
DE102007042288A DE102007042288A1 (de) 2007-01-25 2007-09-06 Werkzeugmaschine
PCT/DE2008/000141 WO2008089751A1 (fr) 2007-01-25 2008-01-25 Machine-outil

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EP2121237A1 EP2121237A1 (fr) 2009-11-25
EP2121237B1 true EP2121237B1 (fr) 2011-08-24

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AT (1) ATE521446T1 (fr)
DE (2) DE102007042288A1 (fr)
ES (1) ES2372554T3 (fr)
WO (1) WO2008089751A1 (fr)

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WO2013038007A2 (fr) 2011-09-16 2013-03-21 Mauser-Werke Oberndorf Maschinenbau Gmbh Machine-outil

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AT507106B1 (de) 2008-08-14 2010-08-15 Anger Machining Gmbh Verfahren zur ansteuerung des werkstückmanipulators einer werkzeugmaschine
CN103702796B (zh) 2011-05-13 2016-10-12 Etxe-Tar有限公司 机床
DE102011050959A1 (de) 2011-06-09 2012-12-13 Mauser-Werke Oberndorf Maschinenbau Gmbh Werkzeugmaschine und Verfahren für eine Werkzeugmaschine
DE102011111287B4 (de) * 2011-08-26 2018-05-09 Kern Micro- Und Feinwerktechnik Gmbh & Co. Kg Werkzeugmaschine
MX359220B (es) 2012-08-06 2018-09-18 Etxetar Sa Maquina herramienta.
DE102013102961B4 (de) * 2013-03-22 2014-10-23 Elha-Maschinenbau Liemke Kg Werkzeugmaschine
DE202013005071U1 (de) 2013-06-05 2013-07-16 Etxe-Tar, S.A. Werkzeugmaschine
ITBS20130126A1 (it) * 2013-09-12 2015-03-13 Gnutti Transfer S P A Unita' di lavorazione comprendente una pluralita' di mandrini
EP2929979A1 (fr) 2014-04-08 2015-10-14 Etxe-Tar, S.A. Machine-outil pour l'usinage de barres de connexion
DE102014106572A1 (de) * 2014-05-09 2015-11-12 Mag Ias Gmbh Werkzeugmaschinensystem und Verfahren zum Betreiben eines Werkzeugmaschinensystems
CH711177A1 (fr) * 2015-06-11 2016-12-15 Watch Out Sa Système d'usinage de pièces, module de mise au point et procédé d'usinage de pièces.
DE102015218206A1 (de) * 2015-09-22 2017-03-23 Deckel Maho Pfronten Gmbh Werkzeugmaschine, insbesondere mehrfachspindel-fräsmaschine
DE102018201419A1 (de) * 2018-01-30 2019-08-01 Deckel Maho Pfronten Gmbh Werkzeugmaschine
CN111113142A (zh) * 2019-12-18 2020-05-08 基迈克材料科技（苏州）有限公司 产品机加工冷却装置
CN111906556A (zh) * 2020-09-08 2020-11-10 安徽理工大学 精密位移工作台

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EP0835720A1 (fr) * 1996-10-11 1998-04-15 Noran, S.L. Fraiseuse à deux bras
DE102004050035A1 (de) 2004-07-09 2006-01-26 Ex-Cell-O Gmbh Werkzeugmaschine und Verfahren zum Werkzeugwechsel an einer Werkzeugmaschine
DE202004015097U1 (de) 2004-09-29 2005-09-15 Elha Maschinenbau Liemke Kg Werkzeugmaschine
DE102007017800B4 (de) 2006-04-14 2014-10-23 Mauser-Werke Oberndorf Maschinenbau Gmbh Glättwerkzeug zum Feinarbeiten von Oberflächen und Verfahren dazu

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013038007A2 (fr) 2011-09-16 2013-03-21 Mauser-Werke Oberndorf Maschinenbau Gmbh Machine-outil
DE102011053729A1 (de) 2011-09-16 2013-03-21 Mauser-Werke Oberndorf Maschinenbau Gmbh Werkzeugmaschine

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Publication number Publication date
EP2121237A1 (fr) 2009-11-25
ES2372554T3 (es) 2012-01-23
DE112008000246A5 (de) 2009-10-22
WO2008089751A1 (fr) 2008-07-31
ATE521446T1 (de) 2011-09-15
DE102007042288A1 (de) 2008-09-25

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